Display device

Abstract

A display device includes: a substrate; an interlayer insulating layer configured to cover a plurality of wiring lines on the substrate; a light-emitting element on the interlayer insulating layer; a sealing layer configured to cover the light-emitting element; a first inorganic insulating layer configured to cover the sealing layer; a first detection electrode extending in a first direction on the first inorganic insulating layer; a second inorganic insulating layer configured to cover the first detection electrode and the first inorganic insulating layer; a second detection electrode extending in a direction intersecting the first direction on the second inorganic insulating layer; and a third inorganic insulating layer configured to cover the second detection electrode and the second inorganic insulating layer, wherein the first inorganic insulating layer, the second inorganic insulating layer, and the third inorganic insulating layer are provided with an opening in a region corresponding to a light-emitting region.

The invention claimed is: 
     
         1 . A display device comprising:
 a substrate on which a plurality of wiring lines is formed;   an interlayer insulating layer configured to cover the plurality of wiring lines on the substrate;   a light-emitting element formed on the interlayer insulating layer and including an anode and a cathode;   a sealing layer configured to cover the light-emitting element;   a first inorganic insulating layer configured to cover the sealing layer;   a first detection electrode formed on the first inorganic insulating layer and extending in a first direction;   a second inorganic insulating layer configured to cover the first detection electrode and the first inorganic insulating layer;   a second detection electrode formed on the second inorganic insulating layer and extending in a second direction intersecting the first direction; and   a third inorganic insulating layer configured to cover the second detection electrode and the second inorganic insulating layer,   wherein the first inorganic insulating layer, the second inorganic insulating layer, and the third inorganic insulating layer have an opening overlapping a part of the anode and a part of the cathode in a plan view.   
     
     
         2 . The display device according to  claim 1 ,
 Wherein the light-emitting element further includes a light-emitting region where the light-emitting element emits light, and   the opening overlaps the light-emitting region in the plan view and is larger than the light-emitting region.   
     
     
         3 . The display device according to  claim 1 , further comprising:
 a first connection wiring line configured to be electrically connected to the first detection electrode; and   a second connection wiring line configured to be electrically connected to the second detection electrode,   wherein a plurality of terminal electrodes is formed along an end portion of the substrate, and   each of the first connection wiring line and the second connection wiring line is connected to a corresponding terminal electrode of the plurality of terminal electrodes.   
     
     
         4 . The display device according to  claim 3 ,
 wherein the substrate is a flexible substrate that is bendable on a terminal electrode formation side, and   the third inorganic insulating layer includes a bendable portion of the substrate, and is formed up to a position right in front of a terminal electrode of the substrate.   
     
     
         5 . The display device according to  claim 1 ,
 wherein an organic insulating layer is formed in an upper layer overlying the third inorganic insulating layer.   
     
     
         6 . The display device according to  claim 1 ,
 wherein the sealing layer includes a first inorganic sealing film directly covering the light-emitting element, an organic film covering the first inorganic sealing film, and a second inorganic sealing film covering the organic film, and   the first inorganic insulating layer is formed on the second inorganic sealing film.